# plotting data along curve

**URL:** https://discourse.paraview.org/t/plotting-data-along-curve/15662
**Category:** ParaView Support
**Created:** [October 30, 2024, 8:53pm UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662 "2024-10-30T20:53:45Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![dim14](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/278dde/32.png) [@dim14](https://discourse.paraview.org/u/dim14)
#### Post date: [October 30, 2024, 8:53pm UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662/1 "2024-10-30T20:53:45Z")

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Hello, I’d liked to plot magnitude velocity along a boundary curve. As shown on the attached picture, i’d liked to plot this data at the intersection between red surface and the fluid slice. i was thinking a filter as plot over line but i can’t manage to create this intersection curve

 ![question](https://discourse.paraview.org/uploads/default/original/2X/e/ed6f469c6335cc0895425d28352b90b359aca146.png)  
Regards

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### Author: ![cory.quammen](https://discourse.paraview.org/user_avatar/discourse.paraview.org/cory.quammen/32/11193_2.png) [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)
#### Post date: [October 30, 2024, 9:23pm UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662/2 "2024-10-30T21:23:24Z")

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The **Plot on Intersection Curves** filter may help out here.

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### Author: ![dim14](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/278dde/32.png) [@dim14](https://discourse.paraview.org/u/dim14)
#### Post date: [October 30, 2024, 9:40pm UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662/3 "2024-10-30T21:40:19Z")

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Hello thanks for help  
But i don’t think that will work cause this filter use only box, cylinder plane sphere shapes  
Regarding my problem i need to extract data on red shape boundary which can be intersect with box or cylinder and so on

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### Author: ![cory.quammen](https://discourse.paraview.org/user_avatar/discourse.paraview.org/cory.quammen/32/11193_2.png) [@cory.quammen](https://discourse.paraview.org/u/cory.quammen)
#### Post date: [October 31, 2024, 1:53am UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662/4 "2024-10-31T01:53:44Z")

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I guess I’m not sure what you are trying to do then. The plane intersection the shape will result in a curve with data values that you can then plot. **Plot on Intersection Curves** computes the curve and takes care of the plotting. See the example below:

 ![PlotOnIntersectionCurveExample](https://discourse.paraview.org/uploads/default/original/2X/a/a1f25ac8fd64f9687e36e3daa8c96947f829bf5b.png)

In the upper left is a geometry, the example disk\_out\_ref.ex2 file that is distributed with ParaView. In the lower left is the intersection of the geometry with a plane, colored by Temp. On the right is a plot of Temp following the curve, which starts at the top left corner of the intersection curve and proceeds counter-clockwise around it. The x-axis is arc length around the intersection and the y-axis is temperature.

Apologies if I’m misunderstanding what you are looking for.

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### Author: ![dim14](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/d/278dde/32.png) [@dim14](https://discourse.paraview.org/u/dim14)
#### Post date: [October 31, 2024, 12:40pm UTC](https://discourse.paraview.org/t/plotting-data-along-curve/15662/5 "2024-10-31T12:40:12Z")

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Thanks, you were right it works perfectly :

 ![question](https://discourse.paraview.org/uploads/default/original/2X/a/a90159a554eb66fa56c00888abd41fa6f039b581.png)  
Thanks a lot  
Regards
